Stories about the yeti are most often frightening and very creepy that you immediately begin to be afraid of this mystical creature, but no one really knows what this mysterious creature is hiding, living far away in a snow-covered forest. One day, the main character accidentally finds a yeti in her secret hideout, located on the roof of a multi-storey building. He is so huge that when she first saw him, she was terribly scared, but then noticing that the monster himself was not very happy about such circumstances, she quickly came to her senses.

The girl gradually begins to find contact with a new acquaintance, treating him to delicious cakes from her grandmother. They even begin to understand each other, and then the yeti explains that he is looking for a way home, to the distant Mount Everest, where his house is located. But it won't be so easy to get him back, because a serious organization is hunting for him, under the control of a mad scientist trying to uncover the secret of Bigfoot. It's too difficult to escape from the overbearing professor, it's good that the girl and the monster are joined by two more loyal comrades who can help overcome this difficult path.